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Recognising a quadratic

Recognising a quadratic

Parabola on coordinate axes crossing the x-axis at two roots

A quadratic equation has highest power 2, such as x2x^2x2. Before using the formula, write it in standard form ax2+bx+c=0ax^2+bx+c=0ax2+bx+c=0 with a≠0a \ne 0a=0.

Quadratic Formula Lesson

  1. IGCSE
  2. /Maths
  3. /Quadratic Formula

Step-by-step lessons covering Oxford AQA IGCSE Maths Quadratic Formula for Core and Extended tier. Each lesson works through exam-style questions in Paper 1 and Paper 2 (Core: 1C and 2C; Extension: 1E and 2E) format. Since content from any part of the specification can appear on either paper, keep number and algebra fluency sharp throughout the course rather than leaving it until near the exam.

Lessons